• UL 1008 : 8

    Current The latest, up-to-date edition.

    TRANSFER SWITCH EQUIPMENT

    Available format(s):  Hardcopy

    Language(s): 

    Published date:  22-12-2014

    Publisher:  Underwriters Laboratories

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    Table of Contents - (Show below) - (Hide below)

    PREFACE
    1 Scope
    2 General Requirements
    3 Definitions
    4 Characteristics
    5 Product Information
    6 Construction Requirements
    7 Performance Requirements
    8 Service Equipment Requirements
    9 Test Requirements - General
    10 Test Requirements - Routine Tests
    Annex A1 - Normative references
    Annex A2 - Informative references
    Annex B (informative) - French translation of markings
    Annex C (informative) - Spanish translation of markings
    Annex D (normative) - Bypass/Isolation switches
    Annex E (normative) - Transfer switches for fire pump service
    Annex F (Normative in Canada) (Informative in Mexico and
            the United States) - Hybrid Transfer Switches
    Annex G (normative) - Softload Transfer Switches
    Annex H (Normative in Mexico and the United States) (Informative
            in Canada) - Instrumentation and Calibration of High
            Capacity Circuits
    Annex I (informative) - Sample Markings
    Annex J (normative) - Inlet Assemblies for Transfer Switch
            Equipment

    Abstract - (Show below) - (Hide below)

    This revision of ANSI/UL 1008 is being issued to incorporate the following changes: Revision to Add Recreational Vehicle Transfer Switches to the Scope of UL 1008 Revisions to Address the Grounding and Bonding of Neutral Circuits Revision to the Overload, Endurance, and Short Circuit Testing Miscellaneous Revisions Regarding Inlet Assemblies, Mechanical Interlocking of Single Pole Inlets and Readily Accessible Service Disconnect Switches Revisions Regarding the Use of "Circuit Breaker Based" Transfer Switches and Compliance with Service Disconnecting Requirements Revision for Consistency with UL 50E Rain Test Revisions to Annex E to Cover Freestanding Complete Packaged Fire Pump Power Transfer Units Revisions to Address System Available Fault Calculations for Momentary Paralleling Situations Clarification of Marking Requirements Revised Requirements for Monitoring the Temperature on Inlets

    Scope - (Show below) - (Hide below)

    This standard applies to the following types of transfer switches that have a maximum rating of 1000 volts for use in non-hazardous locations, in accordance with Annex a1, Item 1: a)Automatic transfer switches; b)Manual or non-automatic transfer switches; c) Closed transition transfer switches; d)Hybrid transfer switches; e)Transfer switches for fire pumps; f)Bypass/isolating switches; g)Softload transfer switches; h)Transfer switches intended for use as service equipment; i)Transfer switches intended for use in mobile/portable applications such as recreational vehicles, motor homes, camping trailers, and mobile health care facilities; and j)In Mexico and the United States, branch circuit emergency lighting transfer switches (BCELTS).

    General Product Information - (Show below) - (Hide below)

    Development Note Also numbered as NMX-J-672 ANCE & CSA C22.2.178.1. (08/2012)
    Document Type Standard
    Publisher Underwriters Laboratories
    Status Current
    Supersedes

    Standards Referenced By This Book - (Show below) - (Hide below)

    UL 489 : 2013 MOLDED-CASE CIRCUIT BREAKERS, MOLDED-CASE SWITCHES, AND CIRCUIT-BREAKER ENCLOSURES
    CSA C22.2 No. 62368-1 : 2014 AUDIO/VIDEO, INFORMATION AND COMMUNICATION TECHNOLOGY EQUIPMENT - PART 1: SAFETY REQUIREMENTS
    API 14FZ : 2013 RECOMMENDED PRACTICE FOR DESIGN, INSTALLATION, AND MAINTENANCE OF ELECTRICAL SYSTEMS FOR FIXED AND FLOATING OFFSHORE PETROLEUM FACILITIES FOR UNCLASSIFIED AND CLASS 1, ZONE 0, ZONE 1, AND ZONE 2 LOCATIONS
    UL 67 : 2009 PANELBOARDS
    UFC 3-540-01 : CHANGE 1 UNIFIED FACILITIES CRITERIA - ENGINE-DRIVEN GENERATOR SYSTEMS FOR PRIME AND STANDBY POWER APPLICATIONS
    IEEE 1818 : 2017 GUIDE FOR THE DESIGN OF LOW-VOLTAGE AUXILIARY SYSTEMS FOR ELECTRIC POWER SUBSTATIONS
    NFPA 99 HDBK : 2018 HEALTH CARE FACILITIES CODE HANDBOOK
    UL 458 : 6 POWER CONVERTERS/INVERTERS AND POWER CONVERTER/INVERTER SYSTEMS FOR LAND VEHICLES AND MARINE CRAFTS
    NFPA 70 : 2017 NATIONAL ELECTRICAL CODE
    ASHRAE 90.4 : 2016 ENERGY STANDARD FOR DATA CENTERS
    UL 1778 : 5ED 2014-06 UNINTERRUPTIBLE POWER SYSTEMS
    UL 3703 : 3 SOLAR TRACKERS
    UL 508 :18ED 2018 INDUSTRIAL CONTROL EQUIPMENT
    UL 2416 : 2 AUDIO/VIDEO, INFORMATION AND COMMUNICATION TECHNOLOGY EQUIPMENT CABINET, ENCLOSURE AND RACK SYSTEMS
    API 14F:2008 DESIGN, INSTALLATION, AND MAINTENANCE OF ELECTRICAL SYSTEMS FOR FIXED AND FLOATING OFFSHORE PETROLEUM FACILITIES FOR UNCLASSIFIED AND CLASS 1, DIVISION 1 AND DIVISION 2 LOCATIONS
    EEE 602 : 2007 ELECTRIC SYSTEMS IN HEALTH CARE FACILITIES
    API 14F : 2008 : R2013 DESIGN, INSTALLATION, AND MAINTENANCE OF ELECTRICAL SYSTEMS FOR FIXED AND FLOATING OFFSHORE PETROLEUM FACILITIES FOR UNCLASSIFIED AND CLASS 1, DIVISION 1 AND DIVISION 2 LOCATIONS
    CSA C22.2 No. 5 : 2013 MOLDED-CASE CIRCUIT BREAKERS, MOLDED-CASE SWITCHES AND CIRCUIT-BREAKER ENCLOSURES
    CSA C22.2 No. 263 : 2015 FIRE PUMP CONTROLLERS
    IEEE 3001.5 : 2013 RECOMMENDED PRACTICE FOR THE APPLICATION OF POWER DISTRIBUTION APPARATUS IN INDUSTRIAL AND COMMERCIAL POWER SYSTEMS
    SAE J 2836/3 : 2017 USE CASES FOR PLUG-IN VEHICLE COMMUNICATION AS A DISTRIBUTED ENERGY RESOURCE
    CSA C22.2 No. 107.3 : 2014 UNINTERRUPTIBLE POWER SYSTEMS
    NFPA 70 HDBK : 2017 NATIONAL ELECTRICAL CODE HANDBOOK
    API 14F REDLINE : 2008 DESIGN, INSTALLATION, AND MAINTENANCE OF ELECTRICAL SYSTEMS FOR FIXED AND FLOATING OFFSHORE PETROLEUM FACILITIES FOR UNCLASSIFIED AND CLASS 1, DIVISION 1 AND DIVISION 2 LOCATIONS
    UL 2735 : 2 ELECTRIC UTILITY METERS
    IEEE 45.1 : 2017 IEEE Recommended Practice for Electrical Installations on Shipboard--Design

    Standards Referencing This Book - (Show below) - (Hide below)

    CSA C22.2 No. 94.1 : 2015 ENCLOSURES FOR ELECTRICAL EQUIPMENT, NON-ENVIRONMENTAL CONSIDERATIONS
    UL 98 : 2016 ENCLOSED AND DEAD-FRONT SWITCHES
    CSA C22 NO. 4 : 2016 ENCLOSED AND DEAD-FRONT SWITCHES
    UL 50E : 2 ENCLOSURES FOR ELECTRICAL EQUIPMENT, ENVIRONMENTAL CONSIDERATIONS
    UL 50 : 2015 ENCLOSURES FOR ELECTRICAL EQUIPMENT, NON-ENVIRONMENTAL CONSIDERATIONS
    CSA C22.2 No. 5 : 2013 MOLDED-CASE CIRCUIT BREAKERS, MOLDED-CASE SWITCHES AND CIRCUIT-BREAKER ENCLOSURES
    C22.1-15 Canadian Electrical Code, Part I (23rd Edition), Safety Standard for Electrical Installations
    UL 94 : 6 TESTS FOR FLAMMABILITY OF PLASTIC MATERIALS FOR PARTS IN DEVICES AND APPLIANCES
    UL 2043 : 4 FIRE TEST FOR HEAT AND VISIBLE SMOKE RELEASE FOR DISCRETE PRODUCTS AND THEIR ACCESSORIES INSTALLED IN AIR-HANDLING SPACES
    CSA C22.2 No. 0.4 : 2004(R2013) BONDING OF ELECTRICAL EQUIPMENT
    CSA C22.2 No. 0.5 : 2016 THREADED CONDUIT ENTRIES
    ASTM E 28 : 2014-08 TEST METHODS FOR SOFTENING POINT OF RESINS DERIVED FROM NAVAL STORES BY RING-AND-BALL APPARATUS
    CSA C22.2 No. 0.2 : 2016 INSULATION COORDINATION
    UL 746C : 6 POLYMERIC MATERIALS - USE IN ELECTRICAL EQUIPMENT EVALUATIONS
    UL 943 : 5 GROUND-FAULT CIRCUIT-INTERRUPTERS
    UL 489 : 2013 MOLDED-CASE CIRCUIT BREAKERS, MOLDED-CASE SWITCHES, AND CIRCUIT-BREAKER ENCLOSURES
    UL 1778 : 5ED 2014-06 UNINTERRUPTIBLE POWER SYSTEMS
    UL 969 : 5 MARKING AND LABELING SYSTEMS
    UL 1012 : 8 POWER UNITS OTHER THAN CLASS 2
    UL 218 : 3 FIRE PUMP CONTROLLERS
    UL 508 : 1999 INDUSTRIAL CONTROL EQUIPMENT
    CSA C22.2 No. 65 : 2013 WIRE CONNECTORS
    UL 796 : 2011 PRINTED-WIRING BOARDS
    CSA C22.2.107 : 1957 CONSTRUCTION AND TEST OF RECTIFYING EQUIPMENT
    CSA C22.2 No. 0.15 : 2015 ADHESIVE LABELS
    NFPA 99 : 2018 HEALTH CARE FACILITIES CODE
    CSA C22.2 No. 263 : 2015 FIRE PUMP CONTROLLERS
    NFPA 70 : 2017 NATIONAL ELECTRICAL CODE
    IEEE C37.09 : 1999 TEST PROCEDURE FOR AC HIGH-VOLTAGE CIRCUIT BREAKERS RATED ON A SYMMETRICAL CURRENT BASIS
    UL 746A : 6 POLYMERIC MATERIALS - SHORT TERM PROPERTY EVALUATIONS
    UL 991 : 3 TESTS FOR SAFETY-RELATED CONTROLS EMPLOYING SOLID-STATE DEVICES
    UL 924 :10 EMERGENCY LIGHTING AND POWER EQUIPMENT
    CSA C22.2 No. 107.1 : 2016 POWER CONVERSION EQUIPMENT
    CSA C22.2 No. 14 : 2013 INDUSTRIAL CONTROL EQUIPMENT
    CSA Z32 : 2015 ELECTRICAL SAFETY AND ESSENTIAL ELECTRICAL SYSTEMS IN HEALTH CARE FACILITIES
    CSA C22.2 No. 144.1 : 2016 GROUND-FAULT CIRCUIT-INTERRUPTERS
    C282-15 Emergency electrical power supply for buildings
    UL 486A-486B : 2 WIRE CONNECTORS
    UL 746B : 4 POLYMERIC MATERIALS - LONG TERM PROPERTY EVALUATIONS
    CSA C22.2 No. 94.2 : 2015 ENCLOSURES FOR ELECTRICAL EQUIPMENT, ENVIRONMENTAL CONSIDERATIONS
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